Recently, I was writing a PHP script for grabbing data from VeriSign through their API, but I was getting '0' as response. The problem was that curl SSL version and server's SSL version was different, so I needed to set it manually.
As the title says, probably curl extension for php is not installed/enabled and you got the following error: Fatal error: Call to undefined function curl_init() in ...
Consider the following table schema:
When the user types your domain with www, for example www.htmlviewer.net, it will be redirected to htmlviewer.net. Even if he access a page, it will be redirected to the same page without the www.
To every PHP script that is executed it is assigned a limited amount of physical memory that can be used. For that reason, sometimes you need to increase PHP memory limit.
Let's say you want to connect to a remote MySQL server from your home computer. Consider the following configuration: